WASHINGTON (AP) — AFL-CIO President Richard Trumka says the Democratic presidential contest is “still wide open” and Vice President Joe Biden still has time to enter the field.

Trumka says tells a newsmaker breakfast he doesn’t know whether Biden will join the field but has a “lot on his trumkashoulders” as he makes a decision. The labor leader met last week with the vice president.

Trumka says Vermont Sen. Bernie Sanders is “connecting” and Democratic front-runner Hillary Rodham Clinton needs “to figure out how to energize workers” but says “she can catch fire too.”

He says it’s “conceivable” the AFL-CIO could make an endorsement by the Iowa caucuses and New Hampshire primary in February but it’s “not likely to happen.” Trumka’s appearance was at an event sponsored by The Christian Science Monitor.